php mysql js 下拉框 二级联动
- WBOYOriginal
- 2016-06-14 00:02:291007browse
二级联动下拉列表（select）,都是从数据库中取值，其中第二级为可多选列表（multiple）.若要实现二级也是下拉菜单，可以将multiple改了即可。
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